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Wear-resistant coating, preparation method thereof and decorative membrane

A wear-resistant coating, wear-resistant layer technology, applied in the direction of film/sheet adhesive, coating, film/sheet release coating, etc., can solve the problems of oxidation, easy wear of decorative patterns, loss of durability, etc.

Pending Publication Date: 2022-03-15
上海华工艾马尔新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the IMR decorative film also has unavoidable shortcomings. Because the base film of the decorative film needs to be peeled off during the injection molding process, without the protection of the plastic sheet, the printed layer will directly contact with the outside world, resulting in easy wear and tear of the decorative pattern in daily use. Or be oxidized, gradually lose durability and affect the service life

Method used

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  • Wear-resistant coating, preparation method thereof and decorative membrane
  • Wear-resistant coating, preparation method thereof and decorative membrane
  • Wear-resistant coating, preparation method thereof and decorative membrane

Examples

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preparation example Construction

[0040] The preparation steps of wear-resistant coating are as follows:

[0041] According to parts by weight, mix 35-40 parts of resin matrix, 1-2 parts of emulsifier and 50-55 parts of dispersion liquid to make a solvent; mix 10-15 parts of microcapsule lubricating particles, 0.2-0.5 parts of additives, 1 ~3 parts TiO 2 Mix well with solvent.

[0042] Wherein, the preparation steps of microcapsule lubricating particles are:

[0043] Mix the cellulose and liquid medium evenly, raise the temperature to 76-80°C to form a coating liquid; mix the solid lubricating particles and the coating liquid and ultrasonically disperse them for 15-30 minutes, then cool down to 0-30°C to precipitate the crude product, and then use The liquid medium washes the crude product.

[0044] The liquid medium is mixed with the cellulose to form a coating liquid, which facilitates subsequent coating of the solid lubricating particles. Since cellulose is a macromolecular organic matter, in order to a...

Embodiment 1

[0052] This embodiment provides a kind of wear-resistant coating, and its preparation method is specifically as follows:

[0053] Prepare microcapsule lubricating particles first: mix ethyl cellulose and glycerin, stir and heat up to 76°C to form a coating solution; WS with an average particle size of 50nm 2 Add it into the coating solution and ultrasonically disperse for 15 minutes, then cool the reaction system to 0°C until solids are precipitated, and then use glycerin to wash the precipitated solids to obtain microcapsule lubricating particles.

[0054] Then, in parts by weight, mix 35 parts of acrylic resin, 1 part of emulsifier OP-10, and 50 parts of methyl acrylate to make a solvent; then take 10 parts of microcapsule lubricating particles in the present embodiment, 0.2 part of α -Al 2 o 3 and 1 part rutile TiO 2 Add it to the solvent and mix well to get a wear-resistant coating.

Embodiment 2

[0056] This embodiment provides a kind of wear-resistant coating, and its preparation method is specifically as follows:

[0057] Prepare microcapsule lubricating particles first: mix carboxymethyl cellulose and glycerin in parts by weight, stir and heat up to 80°C to form a coating solution; WS with an average particle size of 200nm 2 Add it into the coating solution and ultrasonically disperse for 30 minutes, then cool down the reaction system to 30°C until solids are precipitated, and then wash the precipitated solids with glycerin to obtain microcapsule lubricating particles.

[0058] Then in parts by weight, 40 parts of phenyltrichlorosilane, 2 parts of emulsifier OP-10, 55 parts of methyl acrylate were mixed to make a solvent; 0.5 parts of α-Al 2 o 3 and 3 parts rutile TiO 2 Add it to the solvent and mix well to get a wear-resistant coating.

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Abstract

The embodiment of the invention provides a wear-resistant coating, a preparation method thereof and a decorative membrane, and relates to the technical field of decorative membrane production. The wear-resistant coating provided by the embodiment of the invention comprises the following components in parts by weight: 35-40 parts of a resin matrix; 50 to 55 parts of dispersion liquid; 10 to 15 parts of microcapsule lubricating particles; the resin matrix is at least one of acrylic resin or organic silicon resin, the microcapsule lubricating particles are solid lubricating particles with the surfaces coated with cellulose, and the solid lubricating particles are at least one of WS2 or MoS2. All the components in the wear-resistant coating cooperate with one another and have a synergistic effect, and the wear-resistant coating has good wear resistance and weather resistance; the decorative membrane prepared from the wear-resistant coating has good wear resistance and weather resistance, and the friction coefficient of the surface is small.

Description

technical field [0001] The present application relates to the technical field of decorative film production, in particular, to a wear-resistant coating, a preparation method thereof, and a decorative film. Background technique [0002] When preparing the decorative film, the In Molding Roller (IMR) technology is generally used to integrally form the resin and the decorative film on the surface of the plastic part. Compared with the traditional screen printing, spraying and electroplating processes, the IMR technology The automation of in-mold labeling, pattern decoration, and metal imitation processes reduces labor costs and improves production efficiency. [0003] However, the IMR decorative film also has unavoidable shortcomings. Because the base film of the decorative film needs to be peeled off during the injection molding process, without the protection of the plastic sheet, the printed layer will directly contact with the outside world, resulting in easy wear and tear ...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D183/04C09D7/61C09D7/62C09J7/29C09J7/50
CPCC09D133/00C09D183/04C09D7/61C09D7/62C09J7/29C09J7/50C08K2003/3009C08K2003/2227C08K2003/2241C08K9/10C08K3/30C08K3/22
Inventor 邹李华杨志方申政杨名浩
Owner 上海华工艾马尔新材料有限公司
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